51570d0fdc770b93a0bfa15fa1ba045db0af3ed84b8820f5a171f89094f68129 | Triage

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Overview

overview

9

Static

static

7

1c4a945828...13.exe

windows7-x64

9

1c4a945828...13.exe

windows10-2004-x64

9

Sharing

General

Target

1c4a9458282a0a3370ec47bc1835bd13
Size

2.4MB
Sample

231225-ak94nabdf4
MD5

1c4a9458282a0a3370ec47bc1835bd13
SHA1

2921c126ce9770ade4a9bdb42353b54c568a738f
SHA256

51570d0fdc770b93a0bfa15fa1ba045db0af3ed84b8820f5a171f89094f68129
SHA512

73e92d1c6ed020152393f74c819c1b86390cf1d9ca6009a4132d6c60e6a218f06787c4ac805953955a8764373a4af7ac8d261175c20b3c9ce1e55a2d273bff4c
SSDEEP

49152:R1zlDb6EGxS2Z71r9hAPS86Jy4l/YZA6bDK3m5zLK60L/:R1zNb6EqS2Z71rHAPLGy4l/P6PK3m5zQ

Score

9^/10

evasion themida trojan

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

1c4a9458282a0a3370ec47bc1835bd13.exe

Resource

win7-20231129-en

evasion themida trojan

windows7-x64

6 signatures

150 seconds

Behavioral task

behavioral2

Sample

1c4a9458282a0a3370ec47bc1835bd13.exe

Resource

win10v2004-20231215-en

evasion themida trojan

windows10-2004-x64

5 signatures

150 seconds

Malware Config

Targets

- Target
  
  1c4a9458282a0a3370ec47bc1835bd13
- Size
  
  2.4MB
- MD5
  
  1c4a9458282a0a3370ec47bc1835bd13
- SHA1
  
  2921c126ce9770ade4a9bdb42353b54c568a738f
- SHA256
  
  51570d0fdc770b93a0bfa15fa1ba045db0af3ed84b8820f5a171f89094f68129
- SHA512
  
  73e92d1c6ed020152393f74c819c1b86390cf1d9ca6009a4132d6c60e6a218f06787c4ac805953955a8764373a4af7ac8d261175c20b3c9ce1e55a2d273bff4c
- SSDEEP
  
  49152:R1zlDb6EGxS2Z71r9hAPS86Jy4l/YZA6bDK3m5zLK60L/:R1zNb6EqS2Z71rHAPLGy4l/P6PK3m5zQ
Score

9^/10

evasion themida trojan
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Checks whether UAC is enabled
  evasion trojan
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionthemidatrojan

behavioral2

evasionthemidatrojan

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